function showPic(whichpic) {
  var source = whichpic.getAttribute("data-href"),
    text = whichpic.getAttribute("title"),
    description = document.getElementById("description"),
    placeholder = document.getElementById("placeholder");
  placeholder.setAttribute("src", source);
  description.firstChild.nodeValue=text;
  console.log(description.firstChild.nodeValue)
}
function countBodyChildren() {
  alert(document.body.childNodes.length);
}
